17940865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2543}}^1$

素因数の和:2648

約数の個数: 16

約数和(自身を含む): 23079168

約数和(自身を除く): 5138303

約数列:

[1, 5, 17, 83, 85, 415, 1411, 2543, 7055, 12715, 43231, 211069, 216155, 1055345, 3588173, 17940865]

約数ペア:

[(1, 17940865), (5, 3588173), (17, 1055345), (83, 216155), (85, 211069), (415, 43231), (1411, 12715), (2543, 7055)]